Home / 92,778.02-139,176.14-26,218.66

Finding the Fourth Proportional to 92,778.02, 139,176.14 and 26,218.66

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Solution

The fourth proportional to 92,778.02, 139,176.14 and 26,218.66 is: 39,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,778.02 : 139,176.14 = 26,218.66 : x
  2. Step 2: Convert to fraction form
    92,778.02/139,176.14 = 26,218.66/x
  3. Step 3: Cross multiply
    92,778.02x = 139,176.14 × 26,218.66
  4. Step 4: Simplify right side
    92,778.02x = 3,649,011,894.77
  5. Step 5: Solve for x
    x = 3,649,011,894.77/92,778.02
  6. Step 6: Final answer
    x = 39,330.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.